(19)

(11)

EP 1 451 815 A1

(12)

(43) Date of publication: 01.09.2004 Bulletin 2004/36 (21) Application number: 02804575.5 (22) Date of filing: 27.11.2002

(51) International Patent Classification (IPC)7: G11B 7/125 (86) International application number: PCT/EP2002/013341 (87) International publication number: WO 2003/050808 (19.06.2003 Gazette 2003/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.12.2001 DE 10160378 (71) Applicant: Thomson Licensing S.A. 92100 Boulogne-Billancourt (FR)	(72) Inventor: KAADEN, Jürgen 78052 Villingen-Schwenningen (DE) (74) Representative: Kurth, Dieter, Dipl.-Ing.  Deutsche Thomson-Brandt GmbH,European Patent Operations,Karl-Wiechert-Allee 74 30625 Hannover 30625 Hannover (DE)